Ancylus
Ancylus is a genus of very small, freshwater, air-breathing limpets. They are aquatic pulmonate gastropod mollusks in the tribe Ancylini within the family Planorbidae, the ram's horn snails and their allies.
The genus is known throughout the Cenozoic.
Species
Species in the genus Ancylus include:
Ancylus aduncus A. A. Gould, 1847
† Ancylus alutae Jekelius, 1932
Ancylus ashangiensis Brown, 1965
† Ancylus bourgeoisi Deshayes, 1863
† Ancylus cestasensis Peyrot, 1932
† Ancylus depressus Deshayes, 1824
Ancylus fluviatilis Müller, 1774 - the type species
† Ancylus hungaricus Brusina, 1902
Ancylus lapicidus Hubendick, 1960
† Ancylus moravicus Rzehak, 1893
† Ancylus parmophorus de Stefani, 1880
Ancylus pileolus
Ancylus recurvus Martens, 1873
Ancylus regularis Brown, 1973
Ancylus rupicola Boubée, 1832
† Ancylus saucatsensis Peyrot, 1932 (?)
Ancylus scalariformis Stankovic & Radoman, 1953
† Ancylus serbicus Brusina, 1893
Ancylus striatus Quoy & Gaimard, 1834
† Ancylus subcostatus Benoist, 1873
